87656960

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 212939496

約数和(自身を除く): 125282536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 353, 388, 485, 512, 640, 706, 776, 970, 1280, 1412, 1552, 1765, 1940, 2560, 2824, 3104, 3530, 3880, 5648, 6208, 7060, 7760, 11296, 12416, 14120, 15520, 22592, 24832, 28240, 31040, 34241, 45184, 49664, 56480, 62080, 68482, 90368, 112960, 124160, 136964, 171205, 180736, 225920, 248320, 273928, 342410, 451840, 547856, 684820, 903680, 1095712, 1369640, 2191424, 2739280, 4382848, 5478560, 8765696, 10957120, 17531392, 21914240, 43828480, 87656960]

約数ペア:

[(1, 87656960), (2, 43828480), (4, 21914240), (5, 17531392), (8, 10957120), (10, 8765696), (16, 5478560), (20, 4382848), (32, 2739280), (40, 2191424), (64, 1369640), (80, 1095712), (97, 903680), (128, 684820), (160, 547856), (194, 451840), (256, 342410), (320, 273928), (353, 248320), (388, 225920), (485, 180736), (512, 171205), (640, 136964), (706, 124160), (776, 112960), (970, 90368), (1280, 68482), (1412, 62080), (1552, 56480), (1765, 49664), (1940, 45184), (2560, 34241), (2824, 31040), (3104, 28240), (3530, 24832), (3880, 22592), (5648, 15520), (6208, 14120), (7060, 12416), (7760, 11296)]